Nagios Support Forum

Another crash occured just now, here's the saved checkresult directory: [root@server crashes]# tar -tvf ./server_2014_02_12_12\:30\:01_checkresults.tar.gz drwxrwxr-x nagios/nagios 0 2014-02-12 12:26 var/log/nagios/spool/checkresults/ -rw------- nagios/nagios 478 2014-02-12 12:25 var/log/nagios/spool...

No, unfortunately crashes have been seen afterwards. The malloc config change did not seem to have any effect, maybe it should be exported somehow else I'm not sure. That's indeed curious, I was thinking the same thing so we are now collecting the content of the checkresults directory before restart...

Hi Abrist. The problem is still exactly the same, the link just describes the issue we are having. I posted it to clarify a bit more.

I just found this topic through Google, it describes the exact same problem we are having. However one of the first things we did is disabling any plugin except Merlin and Nconf as we cannot operate without these. The pnp4nagios (npcd) however was disabled months ago. Maybe this post brings someone ...

Hi There, That environment variable "export malloc_check_=1" was not able to stop the crash. :( By seeing the error log, did couple of more changes. Which are as follows, Prev:- cached_host_check_horizon=15 Now:- cached_host_check_horizon=30 prev:- external_command_buffer_slots=4096 Now:- ...

Hi forum users, We are running a cluster of four Nagios nodes using Merlin to achieve high-availability and distribution. Each out of the four servers is storing all related log information into it's own log files onto it's local hard disk. If we use the reporting functionality of Nagios it will pro...

Will this effect where Nagios stores it core dumps? I know Nagios is presented through Apache with HTML files and CGI scripts, but it's the Nagios daemon itself which crashes. This looks like a parameter for Apache itself should it crash, or am I mistaking here?

I did the suggested change yesterday on the four nodes. So far so good, now wait and see. About the core dumps, could you please advice on how to go about this? I think Nagios will create one automatically and save it in /tmp? I never seen a file created. This parameter is set in nagios.cfg: daemon_...

Thanks a lot for identifying the place and way of putting it with so much clarity. I will do the required changes and will keep all of you posted on the behaviour of the work-around.

P.S. i see this exact same behavior on every crash in the strace output. It really seems like pattern.

Besides strace I do not know of another debugging method, does anyone have any advice on it (some equivalent tool)? I use strace without specific parameters, only the PID.